Squashed 'lib/lufa/' content from commit 385d40300

git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b

1 files changed, 239 insertions, 0 deletions

diff --git a/Demos/Host/ClassDriver/AndroidAccessoryHost/AndroidAccessoryHost.c b/Demos/Host/ClassDriver/AndroidAccessoryHost/AndroidAccessoryHost.c
new file mode 100644
index 0000000000..48178d68de
--- /dev/null
+++ b/Demos/Host/ClassDriver/AndroidAccessoryHost/AndroidAccessoryHost.c
@@ -0,0 +1,239 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaims all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *
+ *  Main source file for the AndroidAccessoryHost demo. This file contains the main tasks of
+ *  the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "AndroidAccessoryHost.h"
+
+/** LUFA Android Open Accessory Class driver interface configuration and state information. This
+ *  structure is passed to all Android Open Accessory Class driver functions, so that multiple
+ *  instances of the same class within a device can be differentiated from one another.
+ */
+USB_ClassInfo_AOA_Host_t AndroidDevice_AOA_Interface =
+	{
+		.Config =
+			{
+				.DataINPipe             =
+					{
+						.Address        = (PIPE_DIR_IN  | 1),
+						.Banks          = 1,
+					},
+				.DataOUTPipe            =
+					{
+						.Address        = (PIPE_DIR_OUT | 2),
+						.Banks          = 1,
+					},
+				.PropertyStrings =
+					{
+						[AOA_STRING_Manufacturer] = "Dean Camera",
+						[AOA_STRING_Model]        = "LUFA Android Demo",
+						[AOA_STRING_Description]  = "LUFA Android Demo",
+						[AOA_STRING_Version]      = "1.0",
+						[AOA_STRING_URI]          = "http://www.lufa-lib.org",
+						[AOA_STRING_Serial]       = "0000000012345678",
+					},
+			},
+	};
+
+
+/** Main program entry point. This routine configures the hardware required by the application, then
+ *  enters a loop to run the application tasks in sequence.
+ */
+int main(void)
+{
+	SetupHardware();
+
+	puts_P(PSTR(ESC_FG_CYAN "Android Accessory Host Demo running.\r\n" ESC_FG_WHITE));
+
+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+	GlobalInterruptEnable();
+
+	for (;;)
+	{
+		AOAHost_Task();
+
+		AOA_Host_USBTask(&AndroidDevice_AOA_Interface);
+		USB_USBTask();
+	}
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+#if (ARCH == ARCH_AVR8)
+	/* Disable watchdog if enabled by bootloader/fuses */
+	MCUSR &= ~(1 << WDRF);
+	wdt_disable();
+
+	/* Disable clock division */
+	clock_prescale_set(clock_div_1);
+#endif
+
+	/* Hardware Initialization */
+	Serial_Init(9600, false);
+	LEDs_Init();
+	USB_Init();
+
+	/* Create a stdio stream for the serial port for stdin and stdout */
+	Serial_CreateStream(NULL);
+}
+
+/** Task to manage an enumerated USB Android Accessory device once connected, to print received data
+ *  from the device to the serial port.
+ */
+void AOAHost_Task(void)
+{
+	if (USB_HostState != HOST_STATE_Configured)
+	  return;
+
+	if (AOA_Host_BytesReceived(&AndroidDevice_AOA_Interface))
+	{
+		/* Echo received bytes from the attached device through the USART */
+		int16_t ReceivedByte = AOA_Host_ReceiveByte(&AndroidDevice_AOA_Interface);
+		if (!(ReceivedByte < 0))
+		{
+			/* Turn on and off LED1 based on the bytes received */
+			LEDs_ChangeLEDs(LEDS_LED1, ReceivedByte ? LEDS_LED1 : LEDS_NO_LEDS);
+
+			putchar(ReceivedByte);
+		}
+	}
+}
+
+/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
+ *  starts the library USB task to begin the enumeration and USB management process.
+ */
+void EVENT_USB_Host_DeviceAttached(void)
+{
+	puts_P(PSTR("Device Attached.\r\n"));
+	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
+ *  stops the library USB task management process.
+ */
+void EVENT_USB_Host_DeviceUnattached(void)
+{
+	puts_P(PSTR("\r\nDevice Unattached.\r\n"));
+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
+ *  enumerated by the host and is now ready to be used by the application.
+ */
+void EVENT_USB_Host_DeviceEnumerationComplete(void)
+{
+	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+
+	USB_Descriptor_Device_t DeviceDescriptor;
+
+	if (USB_Host_GetDeviceDescriptor(&DeviceDescriptor) != HOST_SENDCONTROL_Successful)
+	{
+		puts_P(PSTR("Error Retrieving Device Descriptor.\r\n"));
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		return;
+	}
+
+	bool NeedModeSwitch;
+	if (!(AOA_Host_ValidateAccessoryDevice(&AndroidDevice_AOA_Interface, &DeviceDescriptor, &NeedModeSwitch)))
+	{
+		puts_P(PSTR("Not an Android device.\r\n"));
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		return;
+	}
+
+	if (NeedModeSwitch)
+	{
+		puts_P(PSTR("Not in Accessory mode, switching...\r\n"));
+		AOA_Host_StartAccessoryMode(&AndroidDevice_AOA_Interface);
+		return;
+	}
+
+	uint16_t ConfigDescriptorSize;
+	uint8_t  ConfigDescriptorData[512];
+
+	if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
+	                                       sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
+	{
+		puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		return;
+	}
+
+	if (AOA_Host_ConfigurePipes(&AndroidDevice_AOA_Interface,
+	                            ConfigDescriptorSize, ConfigDescriptorData) != AOA_ENUMERROR_NoError)
+	{
+		puts_P(PSTR("Attached Device Not a Valid Android Accessory Class Device.\r\n"));
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		return;
+	}
+
+	if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
+	{
+		puts_P(PSTR("Error Setting Device Configuration.\r\n"));
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		return;
+	}
+
+	puts_P(PSTR("Android Device Enumerated.\r\n"));
+	LEDs_SetAllLEDs(LEDMASK_USB_READY);
+}
+
+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
+{
+	USB_Disable();
+
+	printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
+	                         " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+	for(;;);
+}
+
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
+ *  enumerating an attached USB device.
+ */
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
+                                            const uint8_t SubErrorCode)
+{
+	printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
+	                         " -- Error Code %d\r\n"
+	                         " -- Sub Error Code %d\r\n"
+	                         " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
+
+	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+